Some Distinctions in Our Cultivated Barleys With Reference to Their Use in Plant Breeding ..
The book Some Distinctions in Our Cultivated Barleys With Reference to Their Use in Plant Breeding .. was written by author Harlan, Harry V. (Harry Vaughn), 1882-1944 Here you can read free online of Some Distinctions in Our Cultivated Barleys With Reference to Their Use in Plant Breeding .. book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Some Distinctions in Our Cultivated Barleys With Reference to Their Use in Plant Breeding .. a good or bad book?
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the density of 134 spikes grown at St. Paul, Minn., of DISTINCTIONS IN CULTIVATED BAELEYS. 21 merits at St. Paul and at Aberdeen were made by the writer, while those at Chico were made by Mr. E. L. Adams. The result is shown in figure 16. As a whole the variations were parallel, Nos. 6 and 35 being strikingly so. The four less dense selections showed an extreme variation of only three units, while the two dense selections varied much more. In No. 32 this was due in part to poorly developed head...s; at St. Paul, particularly, its spikes were so short that it was impossible to find many in which five successive nodes bore fertile florets. The effect of sterility is to lengthen the internode of the rachis. All types were most dense at Chico and least dense at St. Paul. The effect of irrigation as shown at Aberdeen was very slight, especially when compared with the effect of the combined factors of geographical loca- tion. The character of the curves was in- fluenced even less than their relative density.
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